
function GameData() {
    this.gameStart=null;
    this.rank=null;
    this.shop=null;
    this.hero_layer=this;
    this.achieve_layer=this;
    this.Allblock=[];

    this.playerName=null;
    this.head_png=null;


}

var _instance = null;
module.exports = function () {
    if (!_instance) {
        _instance = new GameData();
    }
    return _instance;
};